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Cannabis production and markets

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The UK has experienced steep growth in domestic cannabis production, with over 750,000 cannabis plants seized in 2009. Two-thirds of UK growers cited dissatisfaction with purchased cannabis and concerns about adulteration as motivations. While most UK growers cultivate for personal use or to supply friends, some operate multiple small plantations. Undocumented immigrants and trafficked minors have been found working in large plantations. Most UK cannabis is obtained through social networks rather than drug markets. The estimated annual spend on cannabis in the UK in 2003/04 was over 贈1 billion.

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Cannabis production and markets Data on the UK
The following presentation is taken from the EMCDDA paper Cannabis production and markets in Europe http://www.emcdda.europa.eu/publications/insights/cannabis-market
Number of reported seizures of cannabis plants in Europe in 2009 25,100 Half were from the UK
750,000 Number of cannabis plants seized in the UK in 2009
Numbers of cannabis plantations seized The United Kingdom has experienced steep growth in the levels of domestic production of cannabis.
A recent report from the United Kingdom indicates an increase in the number of cannabis offences related to personal use and cultivation, as well as an increase in the numbers of cannabis seeds and items of growing equipment being purchased. This may suggest an increase in non-commercial growers in that country (ACPO, 2012).
In the study of growers in the United Kingdom by Hough et al. (2003), two-thirds of the sample stated that their motivation to cultivate arose from dissatisfaction with previously purchased resin as well as concerns relating to adulterated produce.
Growing for need or growing for greed? A study of UK growers found: Most grow cannabis primarily for personal use Most of those who were classified in the commercial category are selling surplus cannabis solely to friends Some growing cannabis specifically to pay for university education or as a means to support themselves while not employed. But...
There appears to be a trend among some commercial cannabis growers towards operating multiple small-scale plantations simultaneously (e.g. plantations of approximately 250 plants or fewer) as opposed to one large-scale plantation housing a large number of plants.
Both Sweden and the United Kingdom have noted that the gardeners in the plantations can be undocumented immigrants, with the United Kingdom also observing that there have been reports of minors being trafficked from other countries and subsequently being put to work in large-scale cannabis plantations
Buying from and with friends A study conducted by Duffy et al. (2008) examined cannabis supply among 182 young people aged between 11 and 19: Obtaining cannabis more strongly influenced by social networks and friendships than by the illicit drug market Those who supply dont see themselves as being involved in cannabis dealing 70% bought with a friend and described the event as a social interaction.
A majority UK of buyers would seem to purchase on average, up to 4 grams But 2009 survey of 520 cannabis users found 28 % had bought 250 grams or more at some point in the past
Price of Cannabis Source: Measuring different aspects of problem drug use: methodological developments, Home Office (2006)
Price and Prevalence
Trends in last year prevalence of cannabis use among young adults (aged 15 to 34) It is worth noting the particular case of the United Kingdom, where in 2010 last year prevalence of cannabis use fell below the EU average for the first time since European monitoring began.
Estimated spend on cannabis in the UK in 2003/04? 贈1,031,000,000 Of which... 贈900,800,000 was 贈130,200,000 was spent in England and & spent in Scotland and Wales Northern Ireland
Potency - % THC content

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Cannabis production and markets

  • 1. Cannabis production and markets Data on the UK
  • 2. The following presentation is taken from the EMCDDA paper Cannabis production and markets in Europe http://www.emcdda.europa.eu/publications/insights/cannabis-market
  • 3. Number of reported seizures of cannabis plants in Europe in 2009 25,100 Half were from the UK
  • 4. 750,000 Number of cannabis plants seized in the UK in 2009
  • 5. Numbers of cannabis plantations seized The United Kingdom has experienced steep growth in the levels of domestic production of cannabis.
  • 6. A recent report from the United Kingdom indicates an increase in the number of cannabis offences related to personal use and cultivation, as well as an increase in the numbers of cannabis seeds and items of growing equipment being purchased. This may suggest an increase in non-commercial growers in that country (ACPO, 2012).
  • 7. In the study of growers in the United Kingdom by Hough et al. (2003), two-thirds of the sample stated that their motivation to cultivate arose from dissatisfaction with previously purchased resin as well as concerns relating to adulterated produce.
  • 8. Growing for need or growing for greed? A study of UK growers found: Most grow cannabis primarily for personal use Most of those who were classified in the commercial category are selling surplus cannabis solely to friends Some growing cannabis specifically to pay for university education or as a means to support themselves while not employed. But...
  • 9. There appears to be a trend among some commercial cannabis growers towards operating multiple small-scale plantations simultaneously (e.g. plantations of approximately 250 plants or fewer) as opposed to one large-scale plantation housing a large number of plants.
  • 10. Both Sweden and the United Kingdom have noted that the gardeners in the plantations can be undocumented immigrants, with the United Kingdom also observing that there have been reports of minors being trafficked from other countries and subsequently being put to work in large-scale cannabis plantations
  • 11. Buying from and with friends A study conducted by Duffy et al. (2008) examined cannabis supply among 182 young people aged between 11 and 19: Obtaining cannabis more strongly influenced by social networks and friendships than by the illicit drug market Those who supply dont see themselves as being involved in cannabis dealing 70% bought with a friend and described the event as a social interaction.
  • 12. A majority UK of buyers would seem to purchase on average, up to 4 grams But 2009 survey of 520 cannabis users found 28 % had bought 250 grams or more at some point in the past
  • 13. Price of Cannabis Source: Measuring different aspects of problem drug use: methodological developments, Home Office (2006)
  • 15. Trends in last year prevalence of cannabis use among young adults (aged 15 to 34) It is worth noting the particular case of the United Kingdom, where in 2010 last year prevalence of cannabis use fell below the EU average for the first time since European monitoring began.
  • 16. Estimated spend on cannabis in the UK in 2003/04? 贈1,031,000,000 Of which... 贈900,800,000 was 贈130,200,000 was spent in England and & spent in Scotland and Wales Northern Ireland
  • 17. Potency - % THC content